Office chair



1. Office chair

1.1 is a top view.

1.2 is a bottom view.

1.3 is a front view.

1.4 is a right side view.

1.5 is a left side view.

1.6 is a rear view.

1.7 is a front perspective view.

1.8 is a rear perspective view.

1.9 is a bottom perspective view.

The broken lines illustrate portions of the office chair that form nopart of the claimed design.

CLAIM The ornamental design for an office chair, as shown and described.